Michael L West
Insider
First SEC filing: Feb. 7, 2020 · Latest: Feb. 7, 2020
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net: $-3,590,643
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | MCO | S | 4,250 | $473.72 | $2,013,310 | 8,759 Direct | -32.67% | Disposed | -4.5% (price as of 2026-10-06) |
| March 2, 2026 | MCO | A | 7,272 | · | · | 17,059 Direct | +74.30% | Acquired | (price as of 2026-10-06) |
| March 2, 2026 | MCO | F | 4,050 | $467.49 | $1,893,334 | 13,009 Direct | -23.74% | Disposed | -3.2% (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | M | 2,139 | $325.99 | $697,293 | 11,926 Direct | +21.86% | Acquired | 38.9% (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | S | 2,139 | $474.19 | $1,014,292 | 9,787 Direct | -17.94% | Disposed | -4.5% (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | M | 1,188 | $295.33 | $350,852 | 10,975 Direct | +12.14% | Acquired | 53.3% (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | S | 1,188 | $473.94 | $563,041 | 9,787 Direct | -10.82% | Disposed | -4.5% (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | M | 2,139 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 26, 2026 | MCO | M | 1,188 | · | · | 1,189 Direct | -49.98% | Disposed | (price as of 2026-10-06) |
| Feb. 23, 2026 | MCO | A | 1,578 | · | · | 9,787 Direct | +19.22% | Acquired | (price as of 2026-10-06) |
| Feb. 23, 2026 | MCO | A | 5,256 | · | · | 5,256 Direct | · | Acquired | (price as of 2026-10-06) |
| July 29, 2025 | MCO | M | 1,188 | · | · | 2,377 Direct | -33.32% | Disposed | (price as of 2026-10-06) |
| July 29, 2025 | MCO | M | 1,002 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| July 29, 2025 | MCO | S | 1,188 | $511.94 | $608,185 | 8,209 Direct | -12.64% | Disposed | -11.6% (price as of 2026-10-06) |
| July 29, 2025 | MCO | M | 1,188 | $295.33 | $350,852 | 9,397 Direct | +14.47% | Acquired | 53.3% (price as of 2026-10-06) |
| July 29, 2025 | MCO | S | 1,002 | $512.35 | $513,375 | 8,209 Direct | -10.88% | Disposed | -11.7% (price as of 2026-10-06) |
| July 29, 2025 | MCO | M | 1,002 | $276.84 | $277,394 | 9,211 Direct | +12.21% | Acquired | 63.5% (price as of 2026-10-06) |
| July 29, 2025 | MCO | S | 1,375 | $509.35 | $700,356 | 8,209 Direct | -14.35% | Disposed | -11.1% (price as of 2026-10-06) |
| July 29, 2025 | MCO | S | 139 | $512.20 | $71,196 | 9,585 Direct | -1.43% | Disposed | -11.6% (price as of 2026-10-06) |
| March 3, 2025 | MCO | F | 970 | $502.86 | $487,774 | 9,724 Direct | -9.07% | Disposed | -10.0% (price as of 2026-10-06) |
| March 3, 2025 | MCO | A | 722 | $502.86 | $363,065 | 10,693 Direct | +7.24% | Acquired | -10.0% (price as of 2026-10-06) |
| Feb. 20, 2025 | MCO | A | 4,275 | · | · | 4,275 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2025 | MCO | A | 1,364 | $513.21 | $700,018 | 9,971 Direct | +15.85% | Acquired | -11.8% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 1,188 | · | · | 3,565 Direct | -24.99% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 2,139 | · | · | 2,139 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 3,004 | · | · | 1,002 Direct | -74.99% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 3,965 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | S | 9,178 | $475.65 | $4,365,516 | 8,607 Direct | -51.61% | Disposed | -4.8% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | S | 1,118 | $475.10 | $531,162 | 17,785 Direct | -5.91% | Disposed | -4.7% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 1,188 | $295.33 | $350,852 | 18,903 Direct | +6.71% | Acquired | 53.3% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 2,139 | $325.99 | $697,293 | 17,715 Direct | +13.73% | Acquired | 38.9% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 3,004 | $276.84 | $831,627 | 15,576 Direct | +23.89% | Acquired | 63.5% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | M | 3,965 | $280.42 | $1,111,865 | 12,572 Direct | +46.07% | Acquired | 61.4% (price as of 2026-10-06) |
| Nov. 8, 2024 | MCO | S | 600 | $474.44 | $284,664 | 8,607 Direct | -6.52% | Disposed | -4.6% (price as of 2026-10-06) |
| July 29, 2024 | MCO | S | 1,100 | $449.98 | $494,978 | 9,207 Direct | -10.67% | Disposed | 0.6% (price as of 2026-10-06) |
| March 1, 2024 | MCO | F | 1,067 | $380.58 | $406,079 | 10,307 Direct | -9.38% | Disposed | 18.9% (price as of 2026-10-06) |
| March 1, 2024 | MCO | A | 1,182 | $380.58 | $449,846 | 11,374 Direct | +11.60% | Acquired | 18.9% (price as of 2026-10-06) |
| Feb. 20, 2024 | MCO | A | 13,640 | · | · | 13,640 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2024 | MCO | A | 5,853 | · | · | 5,853 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2024 | MCO | A | 1,881 | $372.16 | $700,033 | 10,192 Direct | +22.63% | Acquired | 21.6% (price as of 2026-10-06) |
| Nov. 9, 2023 | MCO | S | 85 | $342.50 | $29,112 | 8,311 Direct | -1.01% | Disposed | 32.2% (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 1,972 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 782 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 145 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | S | 1,972 | $338.37 | $667,266 | 8,396 Direct | -19.02% | Disposed | 33.8% (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 1,972 | $173.58 | $342,300 | 10,368 Direct | +23.49% | Acquired | 160.8% (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | S | 782 | $338.41 | $264,637 | 8,396 Direct | -8.52% | Disposed | 33.8% (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 782 | $167.50 | $130,985 | 9,178 Direct | +9.31% | Acquired | 170.2% (price as of 2026-10-06) |
| Nov. 8, 2023 | MCO | M | 145 | $167.50 | $24,288 | 8,396 Direct | +1.76% | Acquired | 170.2% (price as of 2026-10-06) |
| July 31, 2023 | MCO | S | 2,641 | $352.79 | $931,718 | 8,251 Direct | -24.25% | Disposed | 28.3% (price as of 2026-10-06) |
| March 1, 2023 | MCO | F | 1,263 | $290.63 | $367,066 | 10,892 Direct | -10.39% | Disposed | 55.7% (price as of 2026-10-06) |
| March 1, 2023 | MCO | A | 2,301 | · | · | 12,155 Direct | +23.35% | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2023 | MCO | A | 4,753 | · | · | 4,753 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 21, 2023 | MCO | A | 1,524 | $295.33 | $450,083 | 9,854 Direct | +18.30% | Acquired | 53.3% (price as of 2026-10-06) |
| Aug. 3, 2022 | MCO | S | 780 | $310.53 | $242,213 | 8,330 Direct | -8.56% | Disposed | 45.8% (price as of 2026-10-06) |
| March 1, 2022 | MCO | F | 2,440 | $323.88 | $790,267 | 9,110 Direct | -21.13% | Disposed | 39.8% (price as of 2026-10-06) |
| March 1, 2022 | MCO | A | 4,125 | · | · | 11,550 Direct | +55.56% | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2022 | MCO | A | 4,278 | · | · | 4,278 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 17, 2022 | MCO | A | 1,104 | $325.99 | $359,893 | 7,425 Direct | +17.47% | Acquired | 38.9% (price as of 2026-10-06) |
| Nov. 16, 2021 | MCO | S | 180 | $399.92 | $71,986 | 6,321 Direct | -2.77% | Disposed | 13.2% (price as of 2026-10-06) |
| Aug. 9, 2021 | MCO | S | 680 | $382.35 | $259,998 | 6,501 Direct | -9.47% | Disposed | 18.4% (price as of 2026-10-06) |
| May 4, 2021 | MCO | S | 783 | $329.00 | $257,607 | 7,181 Direct | -9.83% | Disposed | 37.6% (price as of 2026-10-06) |
| March 2, 2021 | MCO | S | 2,000 | $282.90 | $565,800 | 7,964 Direct | -20.07% | Disposed | 60.0% (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 1,972 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 926 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 1,297 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 1, 2021 | MCO | S | 1,972 | $282.27 | $556,636 | 9,964 Direct | -16.52% | Disposed | 60.4% (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 1,972 | $173.58 | $342,300 | 11,936 Direct | +19.79% | Acquired | 160.8% (price as of 2026-10-06) |
| March 1, 2021 | MCO | S | 926 | $281.82 | $260,965 | 9,964 Direct | -8.50% | Disposed | 60.6% (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 926 | $167.50 | $155,105 | 10,890 Direct | +9.29% | Acquired | 170.2% (price as of 2026-10-06) |
| March 1, 2021 | MCO | S | 1,297 | $281.68 | $365,339 | 9,964 Direct | -11.52% | Disposed | 60.7% (price as of 2026-10-06) |
| March 1, 2021 | MCO | M | 1,297 | $113.34 | $147,002 | 11,261 Direct | +13.02% | Acquired | 299.4% (price as of 2026-10-06) |
| March 1, 2021 | MCO | F | 1,752 | $280.63 | $491,664 | 9,964 Direct | -14.95% | Disposed | 61.3% (price as of 2026-10-06) |
| March 1, 2021 | MCO | A | 2,756 | · | · | 11,716 Direct | +30.76% | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | MCO | A | 4,006 | · | · | 4,006 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 22, 2021 | MCO | A | 975 | $276.84 | $269,919 | 8,960 Direct | +12.21% | Acquired | 63.5% (price as of 2026-10-06) |
| Aug. 17, 2020 | MCO | S | 540 | $284.80 | $153,792 | 7,985 Direct | -6.33% | Disposed | 58.9% (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 1,853 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 1,297 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 3,053 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 18, 2020 | MCO | S | 1,853 | $260.60 | $482,892 | 8,525 Direct | -17.86% | Disposed | 73.7% (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 1,853 | $167.50 | $310,378 | 10,378 Direct | +21.74% | Acquired | 170.2% (price as of 2026-10-06) |
| May 18, 2020 | MCO | S | 1,297 | $260.80 | $338,258 | 8,525 Direct | -13.21% | Disposed | 73.6% (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 1,297 | $113.34 | $147,002 | 9,822 Direct | +15.21% | Acquired | 299.4% (price as of 2026-10-06) |
| May 18, 2020 | MCO | S | 3,053 | $260.64 | $795,734 | 8,525 Direct | -26.37% | Disposed | 73.7% (price as of 2026-10-06) |
| May 18, 2020 | MCO | M | 3,053 | $80.81 | $246,713 | 11,578 Direct | +35.81% | Acquired | 460.1% (price as of 2026-10-06) |
| May 18, 2020 | MCO | S | 350 | $261.17 | $91,410 | 8,525 Direct | -3.94% | Disposed | 73.3% (price as of 2026-10-06) |
| March 2, 2020 | MCO | F | 3,612 | $251.20 | $907,334 | 8,875 Direct | -28.93% | Disposed | 80.2% (price as of 2026-10-06) |
| March 1, 2020 | MCO | A | 6,877 | · | · | 12,487 Direct | +122.58% | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2020 | MCO | A | 3,965 | · | · | 3,965 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 20, 2020 | MCO | A | 856 | $280.42 | $240,040 | 5,610 Direct | +18.01% | Acquired | 61.4% (price as of 2026-10-06) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 26, 2026 | MCO | Employee Stock Option (right to buy) | Common Stock | $325.99 | Feb. 17, 2032 | 2,139 | Disposed |
| Feb. 26, 2026 | MCO | Employee Stock Option (right to buy) | Common Stock | $295.33 | Feb. 21, 2033 | 1,188 | Disposed |
| Feb. 23, 2026 | MCO | Employee Stock Option (right to buy) | Common Stock | $443.70 | Feb. 23, 2036 | 5,256 | Acquired |
| July 29, 2025 | MCO | Employee Stock Option (right to buy) | Common Stock | $295.33 | Feb. 21, 2033 | 1,188 | Disposed |
| July 29, 2025 | MCO | Employee Stock Option (right to buy) | Common Stock | $276.84 | Feb. 22, 2031 | 1,002 | Disposed |
| Feb. 20, 2025 | MCO | Employee Stock Option (right to buy) | Common Stock | $513.21 | Feb. 20, 2035 | 4,275 | Acquired |
| Nov. 8, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $295.33 | Feb. 21, 2033 | 1,188 | Disposed |
| Nov. 8, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $325.99 | Feb. 17, 2032 | 2,139 | Disposed |
| Nov. 8, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $276.84 | Feb. 22, 2031 | 3,004 | Disposed |
| Nov. 8, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $280.42 | Feb. 20, 2030 | 3,965 | Disposed |
| Feb. 20, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $372.16 | Feb. 20, 2034 | 13,640 | Acquired |
| Feb. 20, 2024 | MCO | Employee Stock Option (right to buy) | Common Stock | $372.16 | Feb. 20, 2034 | 5,853 | Acquired |
| Nov. 8, 2023 | MCO | Employee Stock Option (right to buy) | Common Stock | $173.58 | Feb. 25, 2029 | 1,972 | Disposed |
| Nov. 8, 2023 | MCO | Employee Stock Option (right to buy) | Common Stock | $167.50 | Feb. 16, 2028 | 782 | Disposed |
| Nov. 8, 2023 | MCO | Employee Stock Option (right to buy) | Common Stock | $167.50 | Feb. 16, 2028 | 145 | Disposed |
| Feb. 21, 2023 | MCO | Employee Stock Option (right to buy) | Common Stock | $295.33 | Feb. 21, 2033 | 4,753 | Acquired |
| Feb. 17, 2022 | MCO | Employee Stock Option (right to buy) | Common Stock | $325.99 | Feb. 17, 2032 | 4,278 | Acquired |
| March 1, 2021 | MCO | Employee Stock Option (right to buy) | Common Stock | $173.58 | Feb. 25, 2029 | 1,972 | Disposed |
| March 1, 2021 | MCO | Employee Stock Option (right to buy) | Common Stock | $167.50 | Feb. 16, 2028 | 926 | Disposed |
| March 1, 2021 | MCO | Employee Stock Option (right to buy) | Common Stock | $113.34 | Feb. 23, 2027 | 1,297 | Disposed |
| Feb. 22, 2021 | MCO | Employee Stock Option (right to buy) | Common Stock | $276.84 | Feb. 22, 2031 | 4,006 | Acquired |
| May 18, 2020 | MCO | Employee Stock Option (right to buy) | Common Stock | $167.50 | Feb. 16, 2028 | 1,853 | Disposed |
| May 18, 2020 | MCO | Employee Stock Option (right to buy) | Common Stock | $113.34 | Feb. 23, 2027 | 1,297 | Disposed |
| May 18, 2020 | MCO | Employee Stock Option (right to buy) | Common Stock | $80.81 | Feb. 12, 2026 | 3,053 | Disposed |
| Feb. 20, 2020 | MCO | Employee Stock Option (right to buy) | Common Stock | $280.42 | Feb. 20, 2030 | 3,965 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 7, 2020 | MCO | Common Stock | 4,753 | Direct |
| Nov. 12, 2019 | MCO | Common Stock | 43,914 | Direct |
| Nov. 12, 2019 | MCO | Employee Stock Option (right to buy) | 3,053 | Direct |
| Nov. 12, 2019 | MCO | Employee Stock Option (right to buy) | 2,594 | Direct |
| Nov. 12, 2019 | MCO | Employee Stock Option (right to buy) | 3,706 | Direct |
| Nov. 12, 2019 | MCO | Employee Stock Option (right to buy) | 3,944 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $750,000 | · | · | · | $1,296,203 | · | $253,468 | $5,799,776 |
| 2024 | $700,000 | · | · | · | $2,091,000 | · | $114,499 | $11,405,806 |
| 2023 | $625,000 | · | · | · | $1,114,300 | · | $67,998 | $4,057,301 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.